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An application is hosted on a three-node cluster in which each server has identical compute and network performance specifications. A fourth node is scheduled to be added to the cluster with three times the performance as any one of the preexisting nodes. The network architect wants to ensure that the new node gets the same approximate number of requests as all of the others combined. Which of the following load- balancing methodologies should the network architect recommend?
Correct Answer: D
Comprehensive and Detailed Explanation From Exact Extract: Weighted load balancing allows distribution of traffic based on server capacity or assignedweights. In this case, the new node should receive a weight of 3, and each of the three older nodes a weight of 1. This ensures the new node handles the same total number of requests as the other three combined (3:1:1:1). Relevant Extract from CompTIA CloudNetX CNX-001 Study Guide - under "Load Balancing Algorithms and Traffic Distribution": "Weighted load balancing accounts for node capacity, distributing requests proportionally according to performance capability or administrator-defined weights." Other options: * A. Round-robin sends traffic equally to all servers regardless of capacity. * B. Load-based requires dynamic performance measurement and is more complex. * C. Least connections may work in certain cases, but doesn't guarantee proportional traffic split based on server performance.
